Contrast how optimism and pessimism affect your assessment of a situation

Witch system has the main function of the body defense

True or false. mucous membranes secrete mucus that traps pathogens.

A72-year-old woman fell in her bathtub and fractured her hip. in viewing the fracture, x-ray revealed osteoporotic changes in her bone as well. after reduction of the fracture, and immobilizing the bones with internal pins, what type of exercise would the doctor have advised her to do as soon as she was able in addition to prescribing calcium supplements to improve her bone mass?